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Marquise|Lab Grown|IGI

1.56ct E SI2 Marquise Lab Grown Diamond

ID • E/SI2 • IGI LG754519179

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754519179

Diamond specifications and retailer prices

From $612 CAD
$437 USD
As of October 27, 2026
Save $1,089 CAD (64%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,701 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 1.56ct lab-grown marquise diamond

This 1.56ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG754519179 or 754519179. Listed at 4 retailers as of October 26, 2026, with prices from $612 to $1,701, a $1,089 spread on the same certified stone. MOH London lists it at $1,701. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.56
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754519179
Dimensions11.73 × 6.25 × 3.84 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.73 mm6.25 mm1.56 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754519179
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,701 CAD|Low: $612 CAD|High: $1,719 CAD|Avg: $901 CAD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 4$612 CAD
Retailer 3$705 CAD
Retailer 2$793 CAD
MOH London$1,701 CAD

40 data points across 4 retailers

4 retailers$612 CAD to $1,701 CAD

A
Cheapest Retailer
-
$612 CAD
$437 USD
A
Retailer 2
-
$705 CAD
$504 USD
View
B+
Retailer 3
-
$793 CAD
£446 GBP
View
Most Expensive
B
MOH London
LG754519179 · Oct 26
$1,701 CAD
£957 GBP
View
3 more retailers have this diamond
Prices start from $612 CADSave up to $1,089 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.56ct Marquise
$612 CAD